A herbicidal composition containing (a) a compound of formula (I): or an agriculturally acceptable salt or ester thereof and (b) a sulfonylaminocarbonyltriazone herbicide, or an agriculturally acceptable salt or ester thereof.一種除草組成物,其含有(a)式(I)化合物:或其農業上可接受鹽或酯,以及(b)磺醯基胺基羰基三唑啉酮除草劑或其農業上可接受鹽或酯。